题目内容
(1)
| (2)
| (3)0.5×8.7+
|
(1)
×9+24÷
,
=6+72,
=78;
(2)
÷(
-
),
=
÷
,
=4;
(3)0.5×8.7+
×1.3,
=0.5×(8.7+1.3),
=0.5×10,
=5.
| 2 |
| 3 |
| 1 |
| 3 |
=6+72,
=78;
(2)
| 2 |
| 3 |
| 2 |
| 3 |
| 1 |
| 2 |
=
| 2 |
| 3 |
| 1 |
| 6 |
=4;
(3)0.5×8.7+
| 1 |
| 2 |
=0.5×(8.7+1.3),
=0.5×10,
=5.
练习册系列答案
相关题目